WO2004101253A1 - Procede pour former un film sur un corps moule, procede de production d'un corps moule sur lequel un film est forme et moule pour la production d'un corps moule sur lequel un film est forme - Google Patents

Procede pour former un film sur un corps moule, procede de production d'un corps moule sur lequel un film est forme et moule pour la production d'un corps moule sur lequel un film est forme Download PDF

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Publication number
WO2004101253A1
WO2004101253A1 PCT/JP2004/006979 JP2004006979W WO2004101253A1 WO 2004101253 A1 WO2004101253 A1 WO 2004101253A1 JP 2004006979 W JP2004006979 W JP 2004006979W WO 2004101253 A1 WO2004101253 A1 WO 2004101253A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
molded body
film
masking
film forming
Prior art date
Application number
PCT/JP2004/006979
Other languages
English (en)
Japanese (ja)
Inventor
Motosuke Ishizawa
Takao Umezawa
Original Assignee
Oshima Electric Works Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oshima Electric Works Co., Ltd. filed Critical Oshima Electric Works Co., Ltd.
Priority to EP04733451A priority Critical patent/EP1634686B1/fr
Priority to JP2005504489A priority patent/JP3688289B2/ja
Priority to US10/557,475 priority patent/US7744798B2/en
Priority to CN2004800136523A priority patent/CN1791699B/zh
Publication of WO2004101253A1 publication Critical patent/WO2004101253A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1671—Making multilayered or multicoloured articles with an insert
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C45/006—Joining parts moulded in separate cavities
    • B29C45/0062—Joined by injection moulding
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/04—Coating on selected surface areas, e.g. using masks
    • C23C14/042—Coating on selected surface areas, e.g. using masks using masks
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C45/006—Joining parts moulded in separate cavities
    • B29C2045/0067—Joining parts moulded in separate cavities interposing an insert between the parts to be assembled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C2045/0079—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping applying a coating or covering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0083—Reflectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes

Definitions

  • the present invention relates to a method of forming various molded bodies including a front lamp, a turn signal (including a side win force), a tail lamp, and the like mounted on a vehicle and the like, a method of manufacturing a formed molded body, and a method of forming a molded body. It belongs to the technical field of molds for manufacturing molded products. Background art
  • a mirror-like surface serving as a reflection surface is formed on one part of an injection-shaped molded body, such as a lamp such as a front lamp for a vehicle, to increase the amount of light.
  • a lamp body is such that a lamp body in which a light bulb (bulb) is incorporated and a lens portion formed of a translucent resin material are abutted (mold matching), and the abutting surface is bonded.
  • the die slide injection method is known as a method for manufacturing such a product (see, for example, Japanese Patent Publication No. 2-387377).
  • the primary product, the lamp body and the lens part are each injection-molded with the movable mold and the fixed mold facing each other, and then the movable mold is slid to abut each primary product.
  • the resin material is secondarily injected into the butt joints of the primary products to integrally mold the lamp.
  • the lamp body which has been primary-injected, is once taken out of the mold, and the lamp is illuminated.
  • a film forming means such as vacuum evaporation or sputtering
  • it is set in a mold again, and the butted portion of the primary products is secondarily injected to separate the lamp main body and the lens portion. An attempt is made to integrate.
  • the present invention has been created with the object of solving these problems in view of the above situation.
  • the invention of claim 1 is characterized in that, when forming a film with masking on a molded body molded by a plurality of dies, the masking means is at least one of the plurality of dies. This is a method for forming a molded body.
  • the invention according to claim 2 is the method according to claim 1, wherein the mold to be masked is at least one of a plurality of molds provided for molding a molded body, and the molded body is masked in a film forming step.
  • This is a method for forming a film of a molded body, characterized in that the molded body is not removed from a mold for performing the molding.
  • the invention according to claim 3 is the method according to claim 1 or 2, wherein the molds for molding the molded body are at least two molds configured to be matched with each other.
  • a film forming step of forming a film by the film forming means such that at least a part which is not removed from the mold is masked.
  • the invention of claim 4 is the method for forming a film of a molded article according to claim 3, wherein the film forming means is provided in a mold to be removed.
  • the invention according to claim 5 is the method for forming a film of a molded body according to claim 3 or 4, wherein the molded body is further masked with a masking member on a part of the surface exposed by demolding.
  • the invention according to claim 6 is the method according to claim 5, wherein the masking member is incorporated in a step between the demolding step and the mold-matching step.
  • the invention according to claim 7 is the method according to claim 5 or 6, wherein the masking member is provided in the film forming means, and the masking is performed in a mold matching step of the film forming means.
  • the masking member is an opening-side peripheral portion of a housing portion provided in a concave shape for housing the main body of the film forming means. Is the way.
  • the invention according to claim 9 is a method for forming a molded body, comprising: a first molding step of molding at least a first and a second mold provided for molding a molded body; a molding step of molding a molded body; The mold is removed from the first mold from the molded body, and the demolding step of removing the second mold in a state, and the film forming means is matched with the molded body supported by the first mold.
  • This is a method for producing a molded article.
  • the invention according to claim 10 is the method according to claim 9, wherein the first and second molding steps are performed simultaneously, and the molding step and the film forming step are performed simultaneously. This is a method for manufacturing a molded product with a characteristic feature.
  • the invention according to claim 11 is the method according to claim 9 or 10, wherein the film forming means is provided in the second mold.
  • the invention of claim 12 is the invention according to claim 9, 10 or 11, wherein the first mold is a movable mold, and the second mold is a fixed mold. It is a manufacturing method.
  • the invention of claim 13 is the method for producing a formed molded article according to any one of claims 9 to 12, wherein the film is a reflection surface.
  • the invention according to claim 14 is the method according to any one of claims 9 to 13, wherein a step of masking a part of a surface exposed by demolding of the second mold with a masking member is provided before the film forming step.
  • This is a method for producing a formed molded article characterized by the following.
  • the invention according to claim 15 is the method according to claim 14, wherein the masking member is incorporated in a step between the demolding step and the second mold matching step. It is.
  • the invention according to claim 16 is characterized in that, in any one of claims 13 to 15, the masking member is an opening-side peripheral portion of a concave portion provided to accommodate the film forming unit main body in the second mold. This is a method for manufacturing a formed molded body.
  • the invention according to claim 17 is the invention according to any one of claims 14 to 16, wherein the masking member is a masking mold surface movably formed on the second mold, and the masking mold surface is a secondary mold surface. A masking portion of the molded body by moving the molded body at the same time as or before and after the mold matching step.
  • the invention according to claim 18 is the method according to any one of claims 13 to 17, wherein the portion to be masked by the masking member is a portion to be electrically insulated, and is formed into a film-formed molded body. Is the way.
  • the invention according to claim 19 is the film forming method according to any one of claims 13 to 18, wherein the portion to be masked by the masking member is a bonding surface portion that bonds the third molded body to the molded body. It is a manufacturing method for the molded body.
  • the invention according to claim 20 is characterized in that at least a first mold-matching step provided for molding the first and second molded bodies, wherein the first and second molds are mold-matched, A molding step of simultaneously molding the molded bodies of the first and second moldings, and the molded first molded body is released from the second die without being released from the first die, and the second molded body is subjected to the second molding.
  • the first and second moldings are joined by a third molding process in which the first and second molds are aligned. It is a manufacturing method of the formed molded body, characterized in that it comprises a bonding step of Subeku molding.
  • An invention according to claim 21 is the method according to claim 20, wherein the film forming means is provided in the second mold.
  • An invention according to claim 22 is the method according to claim 21, characterized in that the first mold is a movable mold and the second mold is a fixed mold.
  • the invention according to claim 23 is the method according to any one of claims 19 to 22, wherein the film is a reflective surface, and the formed film is a reflective surface.
  • the invention according to claim 24 is the method according to any one of claims 19 to 23, wherein there is a step of masking a part of a surface exposed by demolding of the second mold with a masking member before the film forming step.
  • a method for producing a formed molded article characterized by the following.
  • the invention according to claim 25 is the method according to claim 24, wherein the masking member is incorporated in a step between the demolding step and the second mold matching step. It is.
  • the invention of claim 26 is the invention according to claim 24 or 25, wherein the masking member is an opening-side peripheral portion of a concave portion provided to accommodate the film forming means main body in the second mold.
  • This is a method for producing a formed molded article characterized by the following.
  • the invention of claim 27 is the invention according to any one of claims 24 to 26, wherein the masking member is a masking mold surface movably formed on the second mold, and the masking mold surface is the second mold surface.
  • a masking portion of the molded body by moving the molded body at the same time as or before and after the mold matching step.
  • the invention according to claim 28 is the method according to any one of claims 24 to 27, wherein the portion to be masked by the masking member is a portion to be electrically insulated, and is manufactured into a film-formed molded body. Is the way.
  • the invention of claim 29 is characterized in that, in any one of claims 24 to 28, the portion to be masked by the masking member is an adhesive surface between the first molded body and the second molded body. This is a method of manufacturing a molded film.
  • the invention according to claim 30 is a mold for manufacturing a film-formed molded body, wherein the mold is a first mold on which a mold surface for forming one surface portion of the molded body is formed. And a second mold on which a mold surface for forming the other surface portion of the molded body is formed.
  • the second mold includes a molding supported by the first mold.
  • a mold for producing a formed molded body, characterized in that a film forming means for forming a body is provided.
  • the invention according to claim 31 is the mold according to claim 30, characterized in that the first mold is a movable mold and the second mold is a fixed mold. is there.
  • the invention according to claim 32 is the method according to claim 30 or 31, wherein the film forming means is provided to be housed in a housing provided in the second mold. Mold.
  • the invention according to claim 33 is characterized in that, in any one of claims 30 to 32, the film forming means forms a film by masking a portion supported and hidden by the first mold.
  • This is a mold for manufacturing a molded body having a film formed thereon.
  • the invention according to claim 34 is the invention according to any one of claims 30 to 33, wherein the second mold is provided with a masking portion that is not formed on the surface of the molded body that is exposed when the mold is removed from the first mold.
  • This is a mold for producing a formed molded article, characterized by having a masking portion formed thereon.
  • the invention according to claim 35 is the film formation method according to claim 34, wherein the masking portion is an opening-side peripheral portion of a concave portion formed in the second mold to accommodate the film-forming means main body.
  • This is a mold for manufacturing a molded article.
  • the invention according to claim 36 is the invention according to claim 34, wherein the masking portion is a masking mold surface movably provided in the second mold, for forming a film-formed molded body. It is a mold.
  • the invention according to claim 37 is the invention according to claim 30, wherein the second mold is separated from the molded body at a portion where the molded body supported by the first mold is not formed and is not formed.
  • a mold for producing a formed molded body characterized in that a mold surface for forming a cover portion for injecting a material is formed.
  • the invention according to claim 38 is the invention according to any one of claims 30 to 37, wherein the first mold is provided with a pair of mold surfaces for manufacturing a molded body at a predetermined interval, and The mold is provided with a film forming means, and a pair of mold surfaces for producing a molded body, which are arranged so that the film forming means is interposed therebetween at the predetermined interval.
  • This is a mold for producing a molded body having a film formed thereon.
  • the invention according to claim 39 is the invention according to any one of claims 30 to 37, wherein the first mold is provided with a pair of mold surfaces for manufacturing a molded body at a predetermined interval, and The mold contains A mold surface for mold production; and a pair of film forming means arranged so that the mold surface for mold production is interposed between the mold surfaces at a predetermined interval.
  • This is a mold for manufacturing a molded body having a film formed thereon.
  • the invention according to claim 40 is the film forming method according to claim 38 or 39, wherein the pair of mold surfaces formed on the mold are formed by molding the same molded body. This is a mold surface for producing a molded body.
  • the invention according to claim 41 is the film forming method according to claim 38 or 39, wherein the pair of mold surfaces formed on the mold are formed with the same molded body. This is a mold surface for producing a molded body. .
  • masking in forming a film on a molded body, masking can be performed by effectively utilizing at least one mold for molding the molded body.
  • molding and film formation of a molded body can be performed in a series of mold molding steps, thereby improving workability.
  • the film forming means is provided in the mold on the side to be removed, so that molding and film forming can be performed by a series of mold forming.
  • the masking member can be incorporated in a continuous flow when masking is performed using the masking member.
  • masking can be performed by effectively utilizing the film forming means.
  • the periphery of the housing portion for housing the film forming means can be used as a masking member.
  • the formed formed body can be manufactured by a series of molding.
  • the mold structure does not become complicated because it is provided in the second mold that is released from the molded body.
  • the film forming means is provided in the second mold which is a fixed mold, consideration for movement is unnecessary, and the structure can be simplified. According to the invention of claim 13, it is possible to easily form a film on the reflection surface.
  • a part of the exposed portion can be masked.
  • the masking member can be assembled in a series of steps.
  • the masking member can be effectively used by using the peripheral edge of the concave portion that accommodates the film forming means.
  • masking can be performed using mold matching.
  • insulation is maintained when a metal film is formed.
  • the portion where the molded bodies are bonded to each other with the third molded body can be protected by masking, and the occurrence of poor adhesion can be avoided.
  • the masking member can be easily incorporated in a series of operation steps.
  • the periphery of the storage section that stores the film forming means is effectively used.
  • the film can be formed without damaging the insulation i ′′.
  • the film forming means can be made not to consider movement.
  • a film forming means can be provided by using a mold.
  • masking can be performed by effectively using the second mold.
  • film formation on a portion exposed by demolding can be performed by the peripheral portion of the concave portion accommodating the film forming means.
  • the masking of the exposed portion can be performed by the exclusive mold surface provided in the second mold.
  • FIG. 1 is a longitudinal sectional view of a side blinker.
  • FIGS. 2 (A) to 2 (C) are schematic views of the steps up to the primary injection.
  • FIG. 3 (A) to (C) are schematic diagrams of the process up to the secondary joining, and (D) is an enlarged view of the main part of the mold.
  • FIGS. 4 (A) and 4 (C) are schematic views of the process until the lamp body and the lens unit face each other.
  • Fig. 5 (A) '(C) is a schematic view of the process up to the removal of the lamp.
  • FIG. 6 (A) ′ (C) is a part of a process schematic diagram of the second embodiment.
  • FIG. 7 (A) ′ (C) is a part of a process schematic diagram of the second embodiment.
  • FIG. 8 (A) ′ (C) is a part of a process schematic diagram of the second embodiment.
  • 9 (A) to 9 (C) are a part of a process schematic diagram of the second embodiment.
  • FIG. 10 is a schematic view of a mold according to the third embodiment.
  • FIG. 11 (A) is a schematic diagram of a mold according to the fourth embodiment, and (B) is a schematic diagram of a mold according to the fifth embodiment.
  • FIG. 12 is a schematic view of a mold according to a sixth embodiment.
  • FIGS. 13 (A) to 13 (C) are schematic diagrams of main steps in the seventh embodiment.
  • FIG. 1 is a movable mold (first mold), 2 is a fixed mold (second mold), and the movable mold 1 can move toward and away from the fixed mold 2 in the opposite direction. It is configured so that it can move (translate in parallel) along the surface with respect to the fixed mold 2 in a state separated from the fixed mold 2.
  • the moving mechanism refer to the conventional die. Since the technique used for slide injection can be used as it is, its details are omitted. Since the movement of the molds may be relative, the first mold may be fixed and the second mold may be moved, or both may be moved relatively. Of course it is good.
  • the movement is not limited to a parallel movement in a linear direction as long as the movement is along a plane, and may be a rotation movement about an axis.
  • the movable mold 1 has a concave surface 1 a for forming the outer surface of the lamp body 3 and a convex surface 1 b for forming the inner surface of the part 4, respectively. 2, a convex surface 2a for forming the inner surface of the lamp body 3 and a concave surface 2b for forming the outer surface of the lens portion 4 are formed, respectively.
  • a concave surface 2 c for accommodating (interior) the vacuum vapor deposition device 5 employed in the present embodiment is formed, and the concave surface 2 c is used for forming the inner surface of the lamp body 3. It is formed between the convex surface 2a and the concave surface 2 for forming the outer surface of the lens portion 4.
  • the vacuum vapor deposition device 5 is a publicly-known one. The outline of the vacuum vapor deposition device 5 is as follows: an intake path 6 connected to a vacuum pump P; a boat (target) 7 for containing metal to be deposited (for example, aluminum or chrome); And a heater 8 for heating the heater 7.
  • the lamp body 9 is a side blinker in the present embodiment, and includes a terminal body 10 made of an opaque resin material, in which a terminal 10 and a bulb (bulb) 11 are incorporated as necessary parts, (Transparent) Consists of a lens part 4 molded from a resin material.
  • the movable mold 1 is moved (die).
  • the lamp body 3 and the lens section 4 are butted against each other, and a resin material 12 is secondarily injected into the butted surface to integrally form the lamp body 9.
  • FIG. 2 (A) shows the molds 1 and 2 with the mold surfaces 1a and 2a forming the lamp body 3 and the mold surfaces lb and 2b forming the lens part 4 separated from each other.
  • the movable mold 1 is moved to the fixed mold 2 side from this separated state, and the opposed mold surfaces are matched (primary butting process: see FIG. 2 (B)).
  • the primary injection is performed, and the lamp body 3 and the lens unit 4 are injection-molded respectively (primary injection process: see FIG. 2 (C)).
  • a demolding process is performed in which the movable mold 1 moves in a direction away from the fixed mold 2, and at this time, the light body is attached to the movable mold 1 side.
  • the mold is designed so that 3 is supported without being removed (remaining), and the lens part 4 is supported (remains) on the fixed mold 2 side without being removed.
  • the lamp body 3 is After the parallel movement (see Fig. 3 (B)) so as to face the placement device 5, it moves to the fixed mold 2 side to be in a mold matching state (secondary butting process: see Fig. 3 (C)). .
  • a removing step of removing the masking member 13, an assembling step of incorporating the necessary components such as the terminal 10 and the valve 11 are performed.
  • the removing step and the incorporation step are performed in the step where the separation movement before the parallel movement is completed.
  • the movable mold 1 is moved to the fixed mold 2 side to butt the lamp body 3 and the lens unit 4 (a tertiary butting process: see FIG. 5 (A)).
  • the resin material 12 is secondarily injected into the abutting surface of the lamp (secondary injection process: see FIG. 5 (B)), whereby the lamp body 3 and the lens unit 4 are integrated, and the reflecting surface 14 Is formed as the lamp 9.
  • the movable mold 1 is separated from the fixed mold 2, and the molded lamp body 9 is taken out (removed) (refer to FIG. 5 (C)). 2Translates to the first position in Fig. (A), and the process is repeated thereafter.
  • a primary injection molding step for forming the lamp body 3 and the lens unit 4, and the lamp body 3 and the lens unit 4 As a result of providing a film-forming process for forming the reflecting surface 14 on the inner surface of the lamp body 3 between the secondary injection process for integrating the lamp, the mold was once removed from the mold as in the past. A reflective surface is formed on the lamp body 3 that has been formed, and after that, the work of removing and resetting the lamp body 3 is no longer necessary as in the conventional case where the die body must be set again. In the slide process, the lamp body 3 can be manufactured and the reflective surface can be formed, thereby improving work efficiency. Also, since there is no need to remove and reset the lamp body 3, the reflective surface 14 is not touched by hand and no fingerprints or objects are scratched and the occurrence of defective products can be greatly reduced. Become.
  • the lamp body 3 in the film forming step, is a blindfold whose surface (the surface covered with the first mold 1) is supported without being removed from the first mold 1.
  • the surface of the lamp body 3 (the surface when it becomes a product) functions as a masking member with the first mold 1 itself, and the surface of the lamp body 3 may be formed into a film. Absent.
  • the concave surface 2c for accommodating the main body of the vacuum evaporation apparatus 5 is formed in the second mold 2, which is a fixed mold, so that the vacuum evaporation apparatus 5 is fixed and movable. Unlike the case where it is provided on the mold 1 side, it is not necessary to adopt a structure in which the pump piping and wiring provided in the vacuum evaporation apparatus 5 are considered to move, and the structure can be simplified and the durability can be improved. Become.
  • the lamp body 9 does not have the problem of the short circuit.
  • the blocking member 13 is removed, and then the terminal 10 and the valve 11 are assembled, so that all manufacturing operations can be smoothly performed in a series of die slide processes. As a result, the lamp 9 can be manufactured efficiently.
  • the abutting portion of the lamp body 3 and the lens unit 4 is joined (adhered) in a secondary injection process. 5 Masked by the peripheral edge of the concave side 2c The reflective surface is not formed.
  • the portion of the first mold 1 that is exposed by demolding can be masked using the second mold 2 without using the dedicated masking member 13, and the secondary injection is performed.
  • the part to be injected in the process does not form a film, and the adhesion between the lamp body 3 and the lens part 4 is ensured, so that the work efficiency can be improved.
  • the concave surface 2c for accommodating the main body of the vapor deposition device 5 formed on the fixed mold 2 is located between the mold surfaces 2a and 2b for forming the lamp body 3 and the lens unit 4.
  • the moving direction of the movable mold 1 from the primary injection step to the reflective surface forming step is the same as the moving direction of the movable mold 1 from the reflective surface forming step to the secondary injection step.
  • the present invention is not limited to the above-described embodiment, and the film is not limited to a reflective surface such as a mirror surface, and may be a film such as painting.
  • the method is not limited to a vacuum vapor deposition apparatus, and various commonly known film forming apparatuses such as a physical vapor deposition method (PVD) such as sputtering vapor deposition and a chemical vapor deposition method (CVD) such as thermal vapor deposition or plasma vapor deposition are employed. be able to.
  • PVD physical vapor deposition method
  • CVD chemical vapor deposition method
  • thermal vapor deposition or plasma vapor deposition thermal vapor deposition or plasma vapor deposition
  • the molding step is performed by injection molding.
  • the present invention is not limited to this.
  • press molding, blow molding, and other commonly known molding methods can be used as the molding method.
  • the finished product is a lamp body as an example ⁇ >
  • the lamp body 3 is formed into a semi-finished product having a mirror-like surface 14 formed into a film.
  • the molded product can be removed from the mold and used as a component.
  • the film forming apparatus is provided in the same mold as the mold for forming the mirror surface.
  • the present invention can also be implemented as a mold provided in another mold.
  • the first and second molds are used in the above-described embodiment, but the molded body has a complicated shape and cannot be molded by the two molds. If the body is to be molded, the number of molds can be increased as necessary, such as third and fourth molds. In this case, at least one mold It is needless to say that the present invention can be implemented by a configuration in which the masking is performed. Further, a second embodiment of the present invention will be described with reference to FIGS. This is a series of steps until a film is formed on the lamp body 3 which is a molded product, and includes a first mold 15 which is a movable mold and a second mold 16 which is a fixed mold. However, the first mold 15 has first and second mold surfaces 15a, 1a for forming the surface of the lamp body 3.
  • the second mold 16 has first and second mold surfaces 1 for forming the inner surface of the lamp body 3 with the mold surface portion 16 c for accommodating the vacuum evaporation device 17 sandwiched in the center. 6a and 16b are provided on both sides at the above-mentioned predetermined interval. Then, as shown in Fig. 6 (A), the first mold surfaces 15a and 16a face each other (at this time, the second mold surface 15b of the first mold 15 and the second mold surface 15b). Mold surface of second mold 1
  • the first mold 15 moves from the state in the mold-matching direction to perform the first mold-matching step, after which the resin material is injected and the lamp body has no film-forming surface. 3 is molded (see FIGS. 6 (B) and (C)). Thereafter, a demolding step is performed in which the first mold 15 is separated (see FIG. 7 (A)). After that, the first mold 15 is moved to the right side by the predetermined distance in the drawing. As a result, the second mold surfaces 15b and 16b face each other, and the first mold surface 15a and the mold surface portion 16c face each other (see FIG. 7 (B)). In this case, when necessary, a mounting process of the masking member 13 is performed in connection with this process.
  • a film forming process using the vacuum evaporation apparatus 17 is performed. And the injection molding process on the second mold surfaces 15b and 16b are performed simultaneously, and the lamp body 3 having the film forming surface 18 and the lamp body 3 having the film forming surface are simultaneously formed. Formed (Fig. 8
  • the formed lamp body 3 is removed from the first mold face 15 a while the first mold 1 is removed.
  • 5 moves parallel to the left side by the predetermined distance in the drawing (see FIGS. 8 (B) and (C))
  • the second mold surface 15a faces the mold surface portion 16c and the first mold surface 1c.
  • 5a and 16a face each other, and when the molds are matched in this state, the first mold surfaces 15a and 16a and the second mold surface 15b and the mold surface 16c and
  • the lamp body 3 without the film-forming surface 18 and the formation of the lamp body 3 with the film-forming surface 18 are simultaneously formed (see FIG. 9 (A)). See).
  • the lamp body 3 on which the film is formed is removed (see FIG. 9 (B)), and the first and second molds 15 and 16 are removed.
  • the area of the mating surface when the molds are matched can be the same (the first mold 15 does not protrude from the second mold 16).
  • the setting of the mold clamping force can be easily adjusted.
  • the lamp body 3 on which the film is formed when the lamp body 3 on which the film is formed is taken out after the mold is released, the lamp body 3 may be taken out at a fixed position (FIG. 8 (B), FIG. 9 ( (Refer to the solid arrow in B).) Therefore, only one take-out device (a robot such as a manipulator can be used) may be used, but the take-out process is long, and a device corresponding to this is adopted.
  • the lamp body 3 on which the film is formed is taken out at the time when it is moved to the left and right after the mold is released (see the dotted take-out arrows in FIGS. 8 (C) and 9 (C)).
  • the removal process becomes shorter, but it is necessary to arrange each removal device on the left and right.
  • the former case is suitable when the first mold surfaces 15a and 16a are the same as each other, and the second mold surfaces 15b and 16b are the same mold surfaces for manufacturing the same product.
  • the latter is preferable from the viewpoint that when different products are manufactured, the different products can be individually taken out, so that the different products are distinguished from each other and are not inadvertently mixed. I can say.
  • the mold surfaces formed on the first and second molds 15 and 16 are formed by molding the same member 3, the same mold surface is used.
  • the shape is not limited to this, but as in the third embodiment shown in FIG. 10, when different members 3, 3a are molded, irregular shapes In this case, the front and back shapes of the members 3 and 3a are different from each other, and the present invention can be implemented in this manner.
  • the mold surface formed on the second mold 16 may be the same, and the mold surface formed on the first mold surface 15 may be modified, or vice versa. In this case, one of the front and back surfaces of the member to be formed has a different shape.
  • the masking member 13 is integrally formed with the formed molded product 3 After taking out from the mold 15, it may be taken out from the molded body 3 taken out. Alternatively, it may be taken out separately at a stage before taking out the molded body 3.
  • the masking member 13 taken out of the molded body 3 may be incorporated into the molded body 3 on which a film is to be formed. This allows the masking member 13 to be used continuously (No. (See Fig. 8 (B) and Fig. 9 (B)).
  • the present invention can be implemented as in the fourth embodiment shown in FIG. 11 (A). In this case, first and second mold surfaces 19a and 19b for molding are formed in a first mold 19 as in the second embodiment.
  • a mold surface 20 a for mold molding is formed in the center, and first and second mold surface portions 20 b and 20 c for accommodating the film forming apparatus 21 are formed on both sides thereof. It has been done in this way, and it can be implemented in this way.
  • a fifth embodiment shown in FIG. 11 (B) can be adopted.
  • this is a modified mold of the mold surface 19a, 19b formed on the first mold 19, and by doing so, the molded body 3, 3 having a non-formed surface is irregular. a can be molded.
  • a dedicated masking member 13 may be used as described above, or a film forming means of the second mold 2 provided with the vacuum evaporation apparatus 5 may be accommodated.
  • a masking mold 23 that appears and disappears in the second mold 22 is used. Before and after the film forming step, that is, at the same time as or before and after the secondary butting step, the mold surface of the masking mold 23 is moved so as to abut or cover the molded body to partially cover the exposed portion. It can also be implemented by using appropriate masking.
  • a part of the exposed surface of the molded product 25 molded in the primary molding process is formed in the second mold 24.
  • the masking part 26 is injection-molded on the masking part.
  • An injection molding process (see FIG. 13 (A)) is provided, and then a film forming device 29 forms a film 27 on the exposed surface of the molded product 3 together with the surface of the masking section 26 in the film forming process ( Thirteenth (See FIG. (B).)
  • FIG. (B) By removing the masking portion 26 from the molded product 26 taken out from the first mold 28, partial masking can be performed.
  • the present invention relates to a method of forming various molded bodies including a front lamp, a turn signal (including a side win force), a tail lamp, and the like mounted on a vehicle and the like, a method of manufacturing a formed molded body, and a method of forming a molded body. It is useful as a mold for manufacturing molded products, and is particularly suitable when a film with masking is required.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

Lors de la production d'un corps lumineux (9) réalisé en une seule pièce avec un corps lumineux principal (3) et une lentille (4) au moyen du système d'injection par glissement de moule, le corps lumineux (3) produit présente une surface réfléchissante (14) dans la surface intérieure. Le procédé de production comprend une étape de formation de surface réfléchissante au cours de laquelle une surface réfléchissante (14) est déposée sous vide sur la surface intérieure du corps lumineux principal (3), laquelle étape est intercalée entre une étape d'injection primaire, permettant la formation du corps lumineux principal (3) et de la lentille (4) au moyen d'un moule fixe (2) équipé d'un dispositif de dépôt sous vide (6, 7, 8), et une étape d'injection secondaire au cours de laquelle le corps lumineux principal (3) et la lentille (4) sont placés bout à bout et intégrés ensemble, de façon à former un corps lumineux (9) présentant une surface réfléchissante.
PCT/JP2004/006979 2003-05-19 2004-05-17 Procede pour former un film sur un corps moule, procede de production d'un corps moule sur lequel un film est forme et moule pour la production d'un corps moule sur lequel un film est forme WO2004101253A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP04733451A EP1634686B1 (fr) 2003-05-19 2004-05-17 Procede de production d'un corps moule sur lequel un film est forme et moule pour la production d'un corps moule sur lequel un film est forme
JP2005504489A JP3688289B2 (ja) 2003-05-19 2004-05-17 成型体の成膜方法、成膜された成型体の製造方法および成膜された成型体製造用の金型
US10/557,475 US7744798B2 (en) 2003-05-19 2004-05-17 Method of forming film on molded body, method of producing molded body with film formed thereon, mold for producing molded body with film formed thereon
CN2004800136523A CN1791699B (zh) 2003-05-19 2004-05-17 成型体的成膜方法、被成膜成型体的制造方法及被成膜成型体制造用膜具

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JP2003-140060 2003-05-19
JP2003140060 2003-05-19

Publications (1)

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WO2004101253A1 true WO2004101253A1 (fr) 2004-11-25

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PCT/JP2004/006979 WO2004101253A1 (fr) 2003-05-19 2004-05-17 Procede pour former un film sur un corps moule, procede de production d'un corps moule sur lequel un film est forme et moule pour la production d'un corps moule sur lequel un film est forme
PCT/JP2004/006981 WO2004101254A1 (fr) 2003-05-19 2004-05-17 Moule servant a former un film, procede pour former un film au moyen dudit moule, et systeme pour commander la formation dudit film

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US (2) US7744798B2 (fr)
EP (2) EP1634686B1 (fr)
JP (2) JP3677033B2 (fr)
CN (2) CN1791699B (fr)
WO (2) WO2004101253A1 (fr)

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WO2006075694A1 (fr) * 2005-01-14 2006-07-20 Oshima Electric Works Co., Ltd. Procede et appareil pour fabriquer une moulure formee a partir d'un film
JP4707149B2 (ja) * 2005-01-14 2011-06-22 株式会社ミツバ 成膜成形品の製造方法および製造装置
JP4740159B2 (ja) * 2005-01-14 2011-08-03 株式会社ミツバ 成膜成型品の製造方法
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JP2006224450A (ja) * 2005-02-17 2006-08-31 Oshima Denki Seisakusho:Kk 成膜成形体の製造方法および製造装置
JP4587462B2 (ja) * 2005-02-17 2010-11-24 株式会社ミツバ 成膜成形体の製造方法および製造装置
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JP4541182B2 (ja) * 2005-02-23 2010-09-08 株式会社日本製鋼所 表面に薄膜を有する成形品の成形方法および成形装置
JP4579010B2 (ja) * 2005-03-01 2010-11-10 株式会社ミツバ 成膜成形装置
JP2006239925A (ja) * 2005-03-01 2006-09-14 Oshima Denki Seisakusho:Kk 成膜成形装置
JP2006240003A (ja) * 2005-03-02 2006-09-14 Oshima Denki Seisakusho:Kk 成膜成形装置
JP4638257B2 (ja) * 2005-03-02 2011-02-23 株式会社ミツバ 成膜成形装置
JP4852532B2 (ja) * 2005-03-15 2012-01-11 株式会社ミツバ 成膜成形体、成膜成形方法および成膜成形装置
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CN101137484B (zh) * 2005-03-15 2010-09-29 株式会社美姿把 成膜成形体，成膜成形方法及成膜成形装置
WO2006098302A1 (fr) * 2005-03-15 2006-09-21 Oshima Electric Works Co., Ltd. Produit moule par depot, procede de moulage par depot et appareil de moulage par depot
US7855494B2 (en) 2005-03-15 2010-12-21 Mitsuba Corporation Film-provided molded piece, method for and apparatus for producing the same
JP2006327000A (ja) * 2005-05-26 2006-12-07 Japan Steel Works Ltd:The 内表面に薄膜を有する中空成形品の成形方法および成形装置
US7837460B2 (en) * 2006-09-19 2010-11-23 The Japan Steel Works, Ltd. Molding method and molding apparatus of mold product having thin film at inner surface
US7833454B2 (en) * 2006-09-19 2010-11-16 The Japan Steel Works, Ltd. Molding method and molding apparatus of mold product having thin film at inner surface
JP2008195007A (ja) * 2007-02-15 2008-08-28 Oshima Denki Seisakusho:Kk 成膜成形装置
JP2008260203A (ja) * 2007-04-12 2008-10-30 Japan Steel Works Ltd:The 複合成形品の成形方法および成形用金型
JP2008284768A (ja) * 2007-05-17 2008-11-27 Oshima Denki Seisakusho:Kk 成形成膜装置
WO2008142751A1 (fr) * 2007-05-18 2008-11-27 Munekata Co., Ltd. Procédé de moulage par injection pour un article de résine moulé et procédé de modification de surface associé
WO2009050856A1 (fr) * 2007-10-19 2009-04-23 Mitsuba Corporation Dispositif d'éclairage, procédé de dépôt de film et appareil de dépôt de film dans un dispositif d'éclairage
JP2009154402A (ja) * 2007-12-27 2009-07-16 Oshima Denki Seisakusho:Kk 成膜成形品およびその製造方法
WO2021007677A1 (fr) * 2019-07-17 2021-01-21 Abc Technologies Inc. Procédé de moulage pour former des articles thermoplastiques

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EP1634686A1 (fr) 2006-03-15
JP3677033B2 (ja) 2005-07-27
EP1634686B1 (fr) 2013-04-03
JPWO2004101253A1 (ja) 2006-07-13
US20070029700A1 (en) 2007-02-08
CN1791699B (zh) 2010-04-28
CN1791699A (zh) 2006-06-21
EP1637308A4 (fr) 2010-12-08
JPWO2004101254A1 (ja) 2006-07-13
CN1791499B (zh) 2011-12-07
EP1634686A4 (fr) 2010-12-08
US20070018351A1 (en) 2007-01-25
US7744798B2 (en) 2010-06-29
US7740783B2 (en) 2010-06-22
WO2004101254A1 (fr) 2004-11-25
CN1791499A (zh) 2006-06-21
JP3688289B2 (ja) 2005-08-24
EP1637308B1 (fr) 2013-08-21
EP1637308A1 (fr) 2006-03-22

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